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Neurons

Description

Brief explanation of the nervous system and nerve impulse conduction
Fatima Zahra Tahraoui
Mind Map by Fatima Zahra Tahraoui, updated more than 1 year ago
Fatima Zahra Tahraoui
Created by Fatima Zahra Tahraoui about 9 years ago
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Resource summary

Neurons
  1. Classification
    1. Function
      1. Sensory
        1. Interneurons
          1. Motor
            1. Somatic
              1. Autonomic
                1. Sympathetic
                  1. Parasympathetic
              2. Structure
                1. Unipolar
                  1. Bipolar
                    1. Multipolar
                  2. Properties
                    1. Excitability
                      1. Conductivity
                        1. Saltatoy conduction
                          1. Myelinated axons
                          2. Regular conduction
                            1. Unmyelinated axons
                          3. Secretion
                          4. Anatomy
                            1. Soma
                              1. Dendrites
                                1. Axon
                                  1. Transport
                                    1. Axonal
                                      1. Anterograde
                                        1. Retrograde
                                        2. Microtubules guides
                                    2. supported by
                                      1. Glial cells
                                        1. CNS
                                          1. Astrocytes
                                            1. Blood brain barrier
                                            2. Microglia
                                              1. Ependymal cells
                                                1. Oligodendrocytes
                                                2. PNS
                                                  1. Satellite cells
                                                    1. Scwann cells
                                                3. Comunicate
                                                  1. by signals
                                                    1. Chemical signals
                                                      1. neurotransmitters
                                                        1. Excitatory
                                                          1. EPSP
                                                          2. Inhibitory
                                                            1. IPSP
                                                        2. Electrical signals
                                                          1. Action potentials (BUZZ)
                                                            1. properties
                                                              1. = strentgh
                                                                1. =speed
                                                                  1. different frequency
                                                                  2. 3 phases
                                                                    1. hyperpolarization
                                                                      1. repolarization
                                                                        1. depolarization
                                                                        2. changes in resting membrane potential
                                                                          1. -70mV
                                                                    2. through synapses
                                                                      1. Chemical synapses
                                                                        1. ligand-gated channels
                                                                        2. Electrical synapses
                                                                          1. gap junctions
                                                                          2. Types
                                                                            1. Axodendritic
                                                                              1. Axosomatic
                                                                                1. Axoaxonix
                                                                            2. Tuberlike structure of neurons
                                                                              1. Spinal cord
                                                                                1. Vertebrae protect spinal cord
                                                                                  1. Central Nervous System (CNS)
                                                                                    1. The brain
                                                                                      1. Cerebellum
                                                                                        1. controls
                                                                                          1. Voluntary movements
                                                                                            1. Balance
                                                                                              1. Posture
                                                                                              2. Store info about the movements you often do
                                                                                              3. Brain stem
                                                                                                1. controls
                                                                                                  1. Voluntary Movements
                                                                                                  2. Connects
                                                                                                    1. Brain with the spinal cord
                                                                                                  3. Cerebrum
                                                                                                    1. Largest part of the brain
                                                                                                      1. controls
                                                                                                        1. Memory
                                                                                                          1. Language
                                                                                                          2. process
                                                                                                            1. Touch
                                                                                                              1. Sight
                                                                                                          3. Nervous System
                                                                                                            1. Peripheral nervous system (PNS)
                                                                                                              1. Somatic System
                                                                                                                1. Voluntary movements
                                                                                                                  1. controls
                                                                                                                    1. Skeletal muscle
                                                                                                                  2. Autonomic System
                                                                                                                    1. Involuntary mvemebts
                                                                                                                      1. controls
                                                                                                                        1. Smooth muscle
                                                                                                                          1. Cardiac Muscle

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